Journal Article Research Support, Non-U.S. Gov't Océano Atlántico Sur Research Support, U.S. Gov't, Non-P.H.S. South Atlantic Ocean bitácoras de pesca commercial fishing especies amenazadas fisheries fishing logbooks longline fisheries manejo espacial marine protected areas pelagic sharks pesca comercial pesqueras de palangre pesquerías rastreo de navíos spatial management threatened species tiburones pelágicos vessel tracking áreas marinas protegidas